SOLUTION: In a 70g 15 percent solution how much of a 90 percent solution does it take to make an 80 percent solution?
Please show me how to set up the
Problem and solve it too. Thanks
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Please show me how to set up the
Problem and solve it too. Thanks
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Question 526155: In a 70g 15 percent solution how much of a 90 percent solution does it take to make an 80 percent solution?
Please show me how to set up the
Problem and solve it too. Thanks Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In a 70g 15 percent solution how much of a 90 percent solution does it take to make an 80 percent solution?
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Equation:
active + active = active
0.15*70 + 0.90x = 0.80(70+x)
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Multiply thru by 100 to get:
15*70 + 90x = 80*70 + 80x
10x = 65*70
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x = 7*65
x = 455 grams (amt. of 90% solution needed)
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Cheers,
Stan H.
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